GB1352930A - Process for the production of cold reduced steel - Google Patents

Process for the production of cold reduced steel

Info

Publication number
GB1352930A
GB1352930A GB2174471A GB2174471A GB1352930A GB 1352930 A GB1352930 A GB 1352930A GB 2174471 A GB2174471 A GB 2174471A GB 2174471 A GB2174471 A GB 2174471A GB 1352930 A GB1352930 A GB 1352930A
Authority
GB
United Kingdom
Prior art keywords
steel
temperature
cold reduced
production
decarburization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2174471A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of GB1352930A publication Critical patent/GB1352930A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0463—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/04—Decarburising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0426—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0436—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0473—Final recrystallisation annealing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

1352930 Steel alloys; decarburization and heat treatment NIPPON KOKAN KK 19 April 1971 [2 Feb 1970] 21744/71 Heading C7A and C7D A steel ingot comprising 0.03-0.06%C and 0.05 -0.10% O and which has been slabbed, hot rolled and pickled is converted to cold reduced steel having good press formability by the process of decarburizing annealing the steel at a temperature of less than 780‹C to decrease the C content to less than 0.01%; annealing the steel at a temperature of more than the recrystallization temperature to the As point of the steel and then temper rolling it. It is stated that the interrelation between the O content and the decarburization temperature is the most important factor of the invention.
GB2174471A 1970-02-02 1971-04-19 Process for the production of cold reduced steel Expired GB1352930A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45008451A JPS5025417B1 (en) 1970-02-02 1970-02-02

Publications (1)

Publication Number Publication Date
GB1352930A true GB1352930A (en) 1974-05-15

Family

ID=11693475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2174471A Expired GB1352930A (en) 1970-02-02 1971-04-19 Process for the production of cold reduced steel

Country Status (5)

Country Link
US (1) US3865637A (en)
JP (1) JPS5025417B1 (en)
DE (1) DE2104824B2 (en)
FR (1) FR2078063A5 (en)
GB (1) GB1352930A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6026813B2 (en) * 1976-03-27 1985-06-26 新日本製鐵株式会社 Manufacturing method of anti-vibration steel material
JPS5849627B2 (en) * 1979-02-27 1983-11-05 川崎製鉄株式会社 Method for producing non-temporal cold-rolled steel sheet
US4313770A (en) * 1979-06-28 1982-02-02 Sumitomo Metal Industries, Ltd. Method of producing cold rolled steel strip having improved press formability and bake-hardenability
DE19701443A1 (en) * 1997-01-17 1998-07-23 Thyssen Stahl Ag Cold rolled steel sheet or strip with good formability used for car parts production
CN109266963B (en) * 2018-10-09 2020-09-22 苏州翔楼新材料股份有限公司 Production process of large steel sheet material for clutch framework of commercial vehicle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178318A (en) * 1962-10-22 1965-04-13 Yawata Iron & Steel Co Process for producing nonageing super deep-drawing steel sheets
US3239390A (en) * 1961-04-12 1966-03-08 Yawata Iron & Steel Co Method of producing non-ageing special low carbon iron sheets
US3248270A (en) * 1961-07-18 1966-04-26 Bethlehem Steel Corp Method of producing deep drawing steel
NL278350A (en) * 1961-09-16
US3264144A (en) * 1962-09-13 1966-08-02 Youngstown Sheet And Tube Co Method of producing a rolled steel product

Also Published As

Publication number Publication date
US3865637A (en) 1975-02-11
FR2078063A5 (en) 1971-11-05
DE2104824A1 (en) 1971-08-26
JPS5025417B1 (en) 1975-08-23
DE2104824B2 (en) 1974-02-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee